CN113241656A - Air insulation high-voltage vacuum ring main unit - Google Patents
Air insulation high-voltage vacuum ring main unit Download PDFInfo
- Publication number
- CN113241656A CN113241656A CN202110581735.8A CN202110581735A CN113241656A CN 113241656 A CN113241656 A CN 113241656A CN 202110581735 A CN202110581735 A CN 202110581735A CN 113241656 A CN113241656 A CN 113241656A
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- China
- Prior art keywords
- main unit
- air
- ring main
- sliding
- unit body
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/025—Safety arrangements, e.g. in case of excessive pressure or fire due to electrical defect
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/045—Details of casing, e.g. gas tightness
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses an air-insulated high-voltage vacuum ring main unit, which comprises a ring main unit body, an air storage tank, a quick exhaust device and an air extractor, wherein the air storage tank is communicated with the ring main unit body, the quick exhaust device is used for quickly exhausting gas in the ring main unit body and reducing the air pressure in the ring main unit body, the quick exhaust device is fixed in the ring main unit body, the air extractor is used for extracting the gas in the ring main unit body, the air extractor is connected with the ring main unit body, when the gas in the ring main unit body leaks, the quick exhaust device works, an air bag expands, a channel between the ring main unit body and the air storage tank is opened, so that the gas in the ring main unit body is pressed into the air storage tank, and meanwhile, the air extractor is opened to pump the residual gas into the air storage tank and reduce the leakage of SF6 gas, protect the environment and avoid the danger of suffocation of operators.
Description
Technical Field
The invention relates to the technical field of ring main unit insulation, in particular to an air insulation high-voltage vacuum ring main unit.
Background
The air-insulated high-voltage vacuum ring main unit is a group of electric equipment (high-voltage switch equipment) which is arranged in a metal or nonmetal insulating main unit or is made into an assembled interval ring main unit, has the advantages of improving power supply parameters and performance, supplying power safety and the like, and is widely used in distribution stations and box-type substations of load centers of urban residential districts, high-rise buildings, large public buildings, factory enterprises and the like.
However, the conventional commonly used air-insulated high-voltage vacuum ring main unit mainly adopts SF6 gas, SF6 gas is designated as greenhouse effect gas to limit emission, and meanwhile, when the ring main unit works, the ring main unit is easily corroded and oxidized by the environment, so that the sealing property of the ring main unit cannot meet the airtight requirement, the leakage of SF6 gas is easily caused, the SF6 gas is one of six gases with greenhouse effect, and the leaked SF6 gas can also cause suffocation of operators. Therefore, an air-insulated high-voltage vacuum ring main unit is provided.
Disclosure of Invention
The invention aims to provide an air-insulated high-voltage vacuum ring main unit for preventing SF6 leakage, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an air insulation high pressure vacuum looped netowrk cabinet, includes looped netowrk cabinet body, gas holder, quick exhaust apparatus and air exhaust device, the gas holder communicates with each other with the looped netowrk cabinet body, quick exhaust apparatus is arranged in reducing the inside atmospheric pressure of looped netowrk cabinet body with the quick discharge of the gas in the looped netowrk cabinet body, quick exhaust apparatus fixes inside the looped netowrk cabinet body, air exhaust device is arranged in taking out the gas in the looped netowrk cabinet body, air exhaust device and this body coupling of looped netowrk cabinet.
Preferably, the rapid exhaust device comprises a limit frame and an air bag, the limit frame is arranged inside the ring main unit body and fixed with the bottom of the ring main unit body, the air bag is arranged inside the limit frame, an inflation device is arranged inside the air bag, an ignition plug is fixedly arranged on the inflation device, one end of the ignition plug is fixedly penetrated into the inflation device, the other end of the ignition plug is fixedly provided with a wire guide column, the other end of the wire guide column sequentially and fixedly penetrates through the air bag and the limit frame, the top end of the wire guide column is fixedly provided with a pressure sensor, a plurality of sliding cylinders are fixedly arranged on the inner wall of one side of the ring main unit body, sliding columns are inserted in the sliding cylinders in a sliding manner, the top ends of the sliding columns are fixedly provided with push plates, first springs are sleeved outside the sliding cylinders, one ends of the first springs are fixed with the ring main unit body, the other ends of the first springs are fixed with the push plates, the push plates are inserted in the limit frame in a sliding manner and abut against the air bag, and the gas inside the ring main unit body can be exhausted into the air storage tank through the rapid exhaust device, reduce the inside atmospheric pressure of looped netowrk cabinet body fast, effectively slow down gas leakage speed.
Preferably, the inside fixed two sliding columns that are equipped with of gas holder, two the sliding column is fixed with the gas holder inner wall, and both ends respectively with gas holder top and bottom mounting, two sliding connection has the closing plate between the sliding column, the closing plate both ends respectively with gas holder top and bottom sliding connection, be mechanical seal between closing plate and sliding column and the gas holder, the closing plate separates into aspirating chamber and extrusion chamber with the gas holder, the fixed connecting pipe that is equipped with between extrusion chamber and the looped netowrk cabinet body, the connecting pipe both ends communicate with each other with looped netowrk cabinet body and extrusion chamber respectively, can collect the gas in the looped netowrk cabinet body through the extrusion chamber.
Preferably, a first sealing ring and a second sealing ring are fixedly arranged in the connecting pipe, a support frame is arranged between the first sealing ring and the second sealing ring, the support frame is fixed with the inner wall of the connecting pipe, a first supporting sliding rod is inserted into the support frame in a sliding manner, one end of the first supporting sliding rod is fixedly provided with a first sealing plug, the first sealing plug is sleeved with a second spring, one end of the second spring is fixed with the support frame, the other end of the second spring is fixed with the first sealing plug, the first sealing plug is inserted onto the first sealing ring in a sliding manner, the contact surface between the first sealing plug and the first sealing ring is conical, the other end of the first sealing plug is fixedly provided with a first connecting rod, the first connecting rod is abutted against the push plate, a sliding groove is arranged in the first supporting sliding rod, and a second supporting sliding rod is inserted into the sliding groove, the utility model discloses a ring main unit, including first sealing ring, second sealing ring, first sealing ring, support litter, second sealing ring, first sealing ring, second sealing ring, first connecting rod, second sealing ring, second sealing plug and second sealing plug, second support litter one end slides and pegs graft in first support litter, and the other end is fixed with the second sealing plug, the second supports the litter outside and has cup jointed the third spring, third spring one end is fixed with the support frame, and the other end is fixed with the second sealing plug, the second sealing plug slides and pegs graft on the second sealing ring, the contact surface is established to the toper between second sealing plug and the second sealing ring, second sealing plug other end is fixed with the second connecting rod, second connecting rod one end is fixed with the closing plate, can open and close the passageway between looped netowrk cabinet body and the gas holder through the connecting pipe.
Preferably, the air extracting device comprises an air extracting pump and an air extracting pipe, the air extracting end of the air extracting pump is connected with the ring main unit body through the air extracting pipe, the air outlet end of the air extracting pump is connected with the air extracting cavity of the air storage tank through the air extracting pipe, and the air in the ring main unit body can be extracted into the air storage tank through the air extracting device.
Preferably, the ignition plug is electrically connected with the pressure sensor, and an electrical connecting wire passes through the wire column.
Preferably, the filling in the inflator is sodium azide, and the sodium azide is ignited at high temperature, so that a large amount of nitrogen can be generated, and the airbag is inflated.
Preferably, clearance fit is adopted between the second supporting sliding rod and the first supporting sliding rod, and the friction force between the second supporting sliding column and the first supporting sliding column is reduced.
Compared with the prior art, the invention has the beneficial effects that:
when gas in the ring main unit body leaks, the quick exhaust device works, the air bag expands, and the channel between the ring main unit body and the gas storage tank is opened, so that the gas in the ring main unit body is pressed into the gas storage tank, and meanwhile, the air exhaust device is opened to pump the residual gas into the gas storage tank, so that the SF6 gas leakage is reduced, the environment is protected, and the danger of suffocation of operators is avoided.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of an internal structure of the ring main unit according to the present invention;
FIG. 3 is a cutaway schematic view of the present invention;
FIG. 4 is an enlarged view of area A of FIG. 3;
FIG. 5 is an enlarged view of area B of FIG. 3;
fig. 6 is a sectional structure diagram of the connecting pipe of the present invention.
In the figure: 1-ring main unit body; 2-a gas storage tank; 3-a rapid exhaust device; 4-an air extraction device; 5-a limit frame; 6-air bag; 7-an inflator; 8-an ignition plug; 9-a conductor post; 10-a pressure sensor; 11-a slide cylinder; 12-a strut; 13-push plate; 14-a first spring; 15-sliding columns; 16-a sealing plate; 17-a connecting tube; 18-a first sealing ring; 19-a second sealing ring; 20-a support frame; 21-a first support slide bar; 22-a first sealing plug; 23-a second spring; 24-a first connecting rod; 25-a chute; 26-a second support slide bar; 27-a second sealing plug; 28-a third spring; 29-a second connecting rod; 30-a suction pump; 31-an extraction tube; 32-a pumping cavity; 33-extrusion chamber.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides an air insulation high pressure vacuum looped netowrk cabinet, includes looped netowrk cabinet body 1, gas holder 2, quick exhaust apparatus 3 and air exhaust device 4, gas holder 2 communicates with each other with looped netowrk cabinet body 1, quick exhaust apparatus 3 is arranged in reducing the gaseous quick discharge in looped netowrk cabinet body 1, quick exhaust apparatus 3 is fixed inside looped netowrk cabinet body 1, air exhaust device 4 is arranged in taking out the gas in looped netowrk cabinet body 1, air exhaust device 4 is connected with looped netowrk cabinet body 1.
The rapid exhaust device 3 comprises a limiting frame 5 and an air bag 6, the limiting frame 5 is arranged inside the ring main unit body 1 and fixed with the bottom of the ring main unit body 1, the air bag 6 is arranged inside the limiting frame 5, an inflating device 7 is arranged inside the air bag 6, an ignition plug 8 is fixedly arranged on the inflating device 7, one end of the ignition plug 8 is fixedly penetrated into the inflating device 7, the other end of the ignition plug 8 is fixedly provided with a wire guide column 9, the other end of the wire guide column 9 sequentially penetrates through the air bag 6 and the limiting frame 5, the top end of the wire guide column is fixedly provided with a pressure sensor 10, a plurality of sliding cylinders 11 are fixedly arranged on the inner wall of one side of the ring main unit body 1, sliding columns 12 are inserted in the sliding cylinders 11 in a sliding mode, the top ends of the sliding columns 12 are fixedly provided with push plates 13, first springs 14 are sleeved on the outer sides of the sliding cylinders 11, one ends of the first springs 14 are fixed with the ring main unit body 1, and the other ends of the first springs are fixed with the push plates 13, the push plate 13 is inserted in the limit frame 5 in a sliding mode and abuts against the air bag 6.
Two sliding columns 15 are fixedly arranged inside the gas storage tank 2, two sliding columns 15 are fixed to the inner wall of the gas storage tank 2, two ends of the sliding columns are fixed to the top end and the bottom end of the gas storage tank 2 respectively, a sealing plate 16 is connected between the sliding columns 15 in a sliding mode, two ends of the sealing plate 16 are connected with the top end and the bottom end of the gas storage tank 2 in a sliding mode respectively, mechanical sealing is arranged between the sealing plate 16 and the sliding columns 15 and the gas storage tank 2, the sealing plate 16 separates the gas storage tank 2 into an air suction cavity 32 and an extrusion cavity 33, a connecting pipe 17 is fixedly arranged between the extrusion cavity 33 and the ring main unit body 1, and two ends of the connecting pipe 17 are communicated with the ring main unit body 1 and the extrusion cavity 33 respectively.
A first sealing ring 18 and a second sealing ring 19 are fixedly arranged in the connecting pipe 17, a supporting frame 20 is arranged between the first sealing ring 18 and the second sealing ring 19, the supporting frame 20 is fixed with the inner wall of the connecting pipe 17, a first supporting slide rod 21 is inserted in the supporting frame 20 in a sliding manner, one end of the first supporting slide rod 21 is fixedly provided with a first sealing plug 22, the first sealing plug 22 is sleeved on the outer side of the first supporting slide rod 21, one end of the second spring 23 is fixed with the supporting frame 20, the other end of the second spring is fixed with the first sealing plug 22, the first sealing plug 22 is inserted in the first sealing ring 18 in a sliding manner, the contact surface between the first sealing plug 22 and the first sealing ring 18 is in a conical shape, the other end of the first sealing plug 22 is fixedly provided with a first connecting rod 24, the first connecting rod 24 is abutted against the push plate 13, a sliding groove 25 is arranged in the first supporting slide rod 21, a second supporting sliding rod 26 is inserted in the sliding groove 25 in a sliding manner, one end of the second supporting sliding rod 26 is inserted in the first supporting sliding rod 21 in a sliding manner, a second sealing plug 27 is fixedly installed at the other end of the second supporting sliding rod 26, a third spring 28 is sleeved on the outer side of the second supporting sliding rod 26, one end of the third spring 28 is fixed with the supporting frame 20, the other end of the third spring 28 is fixed with the second sealing plug 27, the second sealing plug 27 is inserted in the second sealing ring 19 in a sliding manner, a contact surface between the second sealing plug 27 and the second sealing ring 19 is conical, a second connecting rod 29 is fixedly installed at the other end of the second sealing plug 27, and one end of the second connecting rod 29 is fixed with the sealing plate 16.
The air extracting device 4 comprises an air extracting pump 30 and an air extracting pipe 31, the air extracting end of the air extracting pump 30 is connected with the ring main unit body 1 through the air extracting pipe 31, and the air outlet end of the air extracting pump 30 is connected with an air extracting cavity 32 of the air storage tank 2 through the air extracting pipe 31.
The ignition plug 8 is electrically connected to the pressure sensor 10, and an electrical connection line passes through the lead wire 9.
The filler in the inflator 7 is sodium azide.
The second support slide bar 26 is in clearance fit with the first support slide bar 21.
Wherein, the theory of operation of this scheme is: when the gas in the ring main unit body 1 leaks, the number of the pressure sensor 10 continuously decreases, and at the same time, the ignition plug 8 and the air pump 30 are started, the ignition plug 8 ignites the inflator 7, a large amount of gas is generated to expand the airbag 6, the airbag 6 expands to extrude the push plate 13, the push plate 13 drives the first connecting rod 24 to extrude the first sealing plug 22, so that the first sealing plug 22 and the first sealing ring 18 are separated, at this time, the gas in the ring main unit body 1 enters the extrusion chamber 33 through the connecting pipe 17, so that the gas pressure inside the ring main unit body 1 is rapidly reduced, the gas does not leak outwards, at the same time, the air pump 30 pumps the remaining gas in the ring main unit body 1 into the air pumping chamber 32, when the air pumping chamber 32 is full of gas, the sealing plate 16 is extruded, so that the sealing plate 16 drives the second connecting rod 29 to slide, at the same time, the second sealing plug 27 is in contact with the second sealing ring 19 for sealing, and the passage between the extrusion chamber 33 and the ring main unit body 1 is closed, can collect the gas in the ring main unit body 1 rapidly when leaking.
In the scheme: the RB21D1 model is preferably selected for the air pump 30, the power supply interface of motor passes through the switch and connects the power supply system, and the motor operation circuit is conventional motor just reverse control program, and the circuit operation is current conventional circuit, and the circuit and the control that relate to in this scheme are prior art, do not carry out too much repeated description here.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. An air insulation high-voltage vacuum ring main unit is characterized by comprising;
a ring main unit body (1);
the gas storage tank (2), the gas storage tank (2) is communicated with the ring main unit body (1);
the rapid exhaust device (3) is used for rapidly exhausting gas in the ring main unit body (1) and reducing the air pressure inside the ring main unit body (1), and the rapid exhaust device (3) is fixed inside the ring main unit body (1);
the ring main unit comprises an air extracting device (4), wherein the air extracting device (4) is used for extracting gas in the ring main unit body (1), and the air extracting device (4) is connected with the ring main unit body (1).
2. The air-insulated high-voltage vacuum ring main unit according to claim 1, wherein: the rapid exhaust device (3) comprises a limiting frame (5) and an air bag (6), the limiting frame (5) is arranged inside the ring main unit body (1) and fixed with the bottom of the ring main unit body (1), the air bag (6) is arranged inside the limiting frame (5), an air charging device (7) is arranged inside the air bag (6), an ignition plug (8) is fixedly arranged on the air charging device (7), one end of the ignition plug (8) is fixedly penetrated into the air charging device (7), the other end of the ignition plug (8) is fixedly provided with a wire column (9), the other end of the wire column (9) sequentially and fixedly penetrates through the air bag (6) and the limiting frame (5), a pressure sensor (10) is fixedly arranged at the top end of the wire column, a plurality of sliding cylinders (11) are fixedly arranged on the inner wall of one side of the ring main unit body (1), sliding columns (12) are inserted in the sliding cylinders (11), and push plates (13) are fixedly arranged at the top ends of the sliding columns (12), the outer side of the sliding barrel (11) is sleeved with a first spring (14), one end of the first spring (14) is fixed with the ring main unit body (1), the other end of the first spring is fixed with a push plate (13), and the push plate (13) is inserted into the limiting frame (5) in a sliding mode and abuts against the air bag (6).
3. The air-insulated high-voltage vacuum ring main unit according to claim 1, wherein: the utility model discloses a gas storage tank, including gas holder (2), gas holder (2) inside fixed two sliding column (15) of being equipped with, two sliding column (15) are fixed with gas holder (2) inner wall, and both ends respectively with gas holder (2) top and bottom mounting, two sliding connection has closing plate (16) between sliding column (15), closing plate (16) both ends respectively with gas holder (2) top and bottom sliding connection, be mechanical seal between closing plate (16) and sliding column (15) and gas holder (2), closing plate (16) separate into air exhaust chamber (32) and extrusion chamber (33) with gas holder (2), fixed connecting pipe (17) of being equipped with between extrusion chamber (33) and looped netowrk cabinet body (1), connecting pipe (17) both ends communicate with each other with looped netowrk cabinet body (1) and extrusion chamber (33) respectively.
4. The air-insulated high-voltage vacuum ring main unit according to claim 3, wherein: the connecting pipe is characterized in that a first sealing ring (18) and a second sealing ring (19) are fixedly arranged inside the connecting pipe (17), a support frame (20) is arranged between the first sealing ring (18) and the second sealing ring (19), the support frame (20) is fixed with the inner wall of the connecting pipe (17), a first support sliding rod (21) is inserted into the support frame (20) in a sliding mode, one end of the first support sliding rod (21) is fixedly provided with a first sealing plug (22), the first sealing plug (22) is sleeved with a second spring (23) on the outer side of the first support sliding rod (21), one end of the second spring (23) is fixed with the support frame (20), the other end of the second spring is fixed with the first sealing plug (22), the first sealing plug (22) is inserted into the first sealing ring (18) in a sliding mode, and a contact surface between the first sealing plug (22) and the first sealing ring (18) is designed to be conical, the other end of the first sealing plug (22) is fixedly provided with a first connecting rod (24), the first connecting rod (24) is abutted against the push plate (13), a sliding groove (25) is arranged in the first supporting sliding rod (21), a second supporting sliding rod (26) is inserted in the sliding groove (25) in a sliding manner, one end of the second supporting sliding rod (26) is inserted in the first supporting sliding rod (21) in a sliding manner, the other end of the second supporting sliding rod is fixedly provided with a second sealing plug (27), the outer side of the second supporting sliding rod (26) is sleeved with a third spring (28), one end of the third spring (28) is fixed with the supporting frame (20), the other end of the third spring is fixed with the second sealing plug (27), the second sealing plug (27) is inserted in a sliding manner on the second sealing ring (19), the contact surface between the second sealing plug (27) and the second sealing ring (19) is conical, and the other end of the second sealing plug (27) is fixedly provided with a second connecting rod (29), one end of the second connecting rod (29) is fixed with the sealing plate (16).
5. The air-insulated high-voltage vacuum ring main unit according to claim 1, wherein: the air extracting device (4) comprises an air extracting pump (30) and an air extracting pipe (31), the air extracting end of the air extracting pump (30) is connected with the ring main unit body (1) through the air extracting pipe (31), and the air outlet end of the air extracting pump (30) is connected with an air extracting cavity (32) of the air storage tank (2) through the air extracting pipe (31).
6. The air-insulated high-voltage vacuum ring main unit according to claim 2, wherein: the ignition plug (8) is electrically connected with the pressure sensor (10), and an electrical connecting wire penetrates through the wire column (9).
7. The air-insulated high-voltage vacuum ring main unit according to claim 2, wherein: and the filler in the aerating device (7) is sodium azide.
8. The air-insulated high-voltage vacuum ring main unit according to claim 4, wherein: the second supporting slide rod (26) is in clearance fit with the first supporting slide rod (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110581735.8A CN113241656B (en) | 2021-05-27 | 2021-05-27 | Air insulation high-voltage vacuum ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110581735.8A CN113241656B (en) | 2021-05-27 | 2021-05-27 | Air insulation high-voltage vacuum ring main unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113241656A true CN113241656A (en) | 2021-08-10 |
| CN113241656B CN113241656B (en) | 2022-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110581735.8A Active CN113241656B (en) | 2021-05-27 | 2021-05-27 | Air insulation high-voltage vacuum ring main unit |
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| CN (1) | CN113241656B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113783137A (en) * | 2021-09-23 | 2021-12-10 | 安徽黑鹭信息科技有限公司 | Environment-friendly insulating ring main unit |
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| CN106194369A (en) * | 2016-07-13 | 2016-12-07 | 安徽奥丰汽车配件有限公司 | A kind of crashproof, automobile exhaust pipe of anti-corrosion |
| CN207625095U (en) * | 2017-12-27 | 2018-07-17 | 安徽理工大学 | A kind of power control unit based on Internet of Things |
| CN109038348A (en) * | 2018-10-13 | 2018-12-18 | 江苏国明浩辰电气有限公司 | A kind of novel environment friendly gas-insulated gas-filling cabinet |
| CN209150603U (en) * | 2019-01-22 | 2019-07-23 | 厦门先德开关有限公司 | A kind of band protective device ring network cabinet |
| CN212162425U (en) * | 2020-06-23 | 2020-12-15 | 淮南万泰电气有限公司 | Environment-friendly gas-filled cabinet |
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2021
- 2021-05-27 CN CN202110581735.8A patent/CN113241656B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194369A (en) * | 2016-07-13 | 2016-12-07 | 安徽奥丰汽车配件有限公司 | A kind of crashproof, automobile exhaust pipe of anti-corrosion |
| CN207625095U (en) * | 2017-12-27 | 2018-07-17 | 安徽理工大学 | A kind of power control unit based on Internet of Things |
| CN109038348A (en) * | 2018-10-13 | 2018-12-18 | 江苏国明浩辰电气有限公司 | A kind of novel environment friendly gas-insulated gas-filling cabinet |
| CN209150603U (en) * | 2019-01-22 | 2019-07-23 | 厦门先德开关有限公司 | A kind of band protective device ring network cabinet |
| CN212162425U (en) * | 2020-06-23 | 2020-12-15 | 淮南万泰电气有限公司 | Environment-friendly gas-filled cabinet |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113783137A (en) * | 2021-09-23 | 2021-12-10 | 安徽黑鹭信息科技有限公司 | Environment-friendly insulating ring main unit |
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| Publication number | Publication date |
|---|---|
| CN113241656B (en) | 2022-11-04 |
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